Climate change is not only no hoax — it’s here. In just the past year we have witnessed some of the evidence: Record rainfall in Texas; unprecedented hurricane activity in the Atlantic; record-setting wildfires during a prolonged fire season in California. Here in St. Louis, between December 2015 and April 2017, we experienced back-to-back “500-year” floods. Since 1874, when the city first started tracking annual temperatures, the three warmest years on record are 2012, 2016, and 2017 — hotter even than the Dust Bowl years. The common occurrences of what-used-to-be